Add PHPMD to CI

composer.json

@@ -46,7 +46,8 @@
 		"jeroen/nyancat-phpunit-resultprinter": "~2.2",
 		"wikibase/wikibase-codesniffer": "^0.5.0",
 		"ockcyp/covers-validator": "~1.0",
-		"phpstan/phpstan": "~0.11.0"
+		"phpstan/phpstan": "~0.11.0",
+		"phpmd/phpmd": "^2.6.1"
 	},
 	"autoload": {
 		"psr-4": {
@@ -71,7 +72,8 @@
 		],
 		"cs": [
 			"vendor/bin/phpcs -p -s",
-			"vendor/bin/phpstan analyse --level=1 --no-progress src/ tests/"
+			"vendor/bin/phpstan analyse --level=1 --no-progress src/ tests/",
+			"vendor/bin/phpmd src/ text phpmd.xml"
 		],
 		"ci": [
 			"@test",

phpmd.xml

@@ -0,0 +1,38 @@
+<?xml version="1.0"?>
+<ruleset xmlns="http://pmd.sf.net/ruleset/1.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://pmd.sf.net/ruleset/1.0.0 http://pmd.sf.net/ruleset_xml_schema.xsd"
+         xsi:noNamespaceSchemaLocation=" http://pmd.sf.net/ruleset_xml_schema.xsd">
+
+    <rule ref="rulesets/codesize.xml">
+        <exclude name="ExcessiveClassComplexity" />
+        <exclude name="TooManyMethods" />
+        <exclude name="TooManyPublicMethods" />
+    </rule>
+    <rule ref="rulesets/codesize.xml/TooManyMethods">
+        <properties>
+            <property name="maxmethods" value="20" />
+        </properties>
+    </rule>
+    <rule ref="rulesets/codesize.xml/TooManyPublicMethods">
+        <properties>
+            <property name="maxmethods" value="15" />
+        </properties>
+    </rule>
+
+    <!-- todo: exclude the camel case method rule for the tests -->
+    <rule ref="rulesets/controversial.xml" />
+
+    <rule ref="rulesets/design.xml">
+        <exclude name="CouplingBetweenObjects" />
+    </rule>
+
+    <rule ref="rulesets/naming.xml">
+        <exclude name="ShortVariable" />
+        <exclude name="LongVariable" />
+    </rule>
+
+    <rule ref="rulesets/unusedcode.xml">
+        <exclude name="UnusedLocalVariable" />
+    </rule>
+</ruleset>

src/Formatters/LatLongFormatter.php

@@ -238,11 +238,7 @@ private function formatCoordinate( float $degrees, float $precision ): string {
 		}
 
 		if ( $format !== self::TYPE_DD ) {
-			if ( $precision >= 1 - 1 / 60 && $precision < 1 ) {
-				$precision = 1;
-			} elseif ( $precision >= 1 / 60 - 1 / 3600 && $precision < 1 / 60 ) {
-				$precision = 1 / 60;
-			}
+			$precision = $this->getUpdatedPrecision( $precision );
 		}
 
 		if ( $format === self::TYPE_DD || $precision >= 1 ) {
@@ -258,6 +254,18 @@ private function formatCoordinate( float $degrees, float $precision ): string {
 		throw new InvalidArgumentException( 'Invalid coordinate format specified in the options' );
 	}
 
+	private function getUpdatedPrecision( float $precision ): float {
+		if ( $precision >= 1 - 1 / 60 && $precision < 1 ) {
+			return 1;
+		}
+
+		if ( $precision >= 1 / 60 - 1 / 3600 && $precision < 1 / 60 ) {
+			return 1 / 60;
+		}
+
+		return $precision;
+	}
+
 	private function roundDegrees( float $degrees, float $precision ): float {
 		$sign = $degrees > 0 ? 1 : -1;
 		$reduced = round( abs( $degrees ) / $precision );

src/GlobeMath.php

@@ -79,15 +79,8 @@ public function normalizeGlobeLatLong( LatLongValue $value, string $globe = null
 	 * @return LatLongValue
 	 */
 	public function normalizeLatLong( LatLongValue $value, float $minimumLongitude = -180.0 ): LatLongValue {
+		$lon = $this->getNormalizedLongitude( $value->getLongitude(), $minimumLongitude );
 		$lat = $value->getLatitude();
-		$lon = $value->getLongitude();
-
-		// Normalize to [-180°..+180°[ on Earth/Moon, [0°..+360°[ on other globes.
-		if ( $lon >= $minimumLongitude + 360 ) {
-			$lon -= 360;
-		} elseif ( $lon < $minimumLongitude ) {
-			$lon += 360;
-		}
 
 		if ( $lat >= 270 ) {
 			// Same side of the globe, on the southern hemisphere.
@@ -113,4 +106,15 @@ public function normalizeLatLong( LatLongValue $value, float $minimumLongitude =
 		return new LatLongValue( $lat, $lon );
 	}
 
+	private function getNormalizedLongitude( float $longitude, float $minimumLongitude ): float {
+		// Normalize to [-180°..+180°[ on Earth/Moon, [0°..+360°[ on other globes.
+		if ( $longitude >= $minimumLongitude + 360 ) {
+			$longitude -= 360;
+		} elseif ( $longitude < $minimumLongitude ) {
+			$longitude += 360;
+		}
+
+		return $longitude;
+	}
+
 }